Documents Similar To API RP 2A-LRFD – Offshore Platform Loading. Tubular Joint API RP 2A Design. Uploaded by. karanderohan. API RP 2A 21st – Joint. API RP2A-LRFD (load and resistance factor design) has recently been approved by the American Petroleum Institute for the design of fixed. API RP 2A-LRFD [ Withdrawn ]. Recommended Practice for Planning, Designing and Constructing Fixed Offshore Platforms – Load and.
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Proceedings of an international conference Oceanology: Sheriff’s Encyclopedic Dictionary of Applied Geophysics, fourth edition.
LRFD however, is an improved approach to structural design which takes into account the possible uncertainties in the applied loads and component resistances. Proceedings of an International Conference Submersible Technology: However is expected to see the publication of the Load and Fp2a Factor Design version as an AP1-approved alternative. Log in to your subscription Username.
Offshore Technology Conference Disciplines 4. The effect on total structure weight and the differing effect on various categories of structural element are summarised. Publishers Wpi Coverage Privacy.
Application of API RP2A-LRFD to a North Sea Platform Structure – OnePetro
Proceedings of an international conference Oceanology: But with the introduction of the LRFD methodology it has become possible to rationally account for the variance between Apk regional conditions and other localities.
Log in to your subscription Username. Peer reviewed only Published between: The issue of a load resistance factor design version reflects the worldwide trend away from working stress design to reliability based methods. Thomas BP Engineering R.
Since it was first issued inlrffd working stress code RP2A Ref 2 has become an internationally accepted standard for fixed platforms. Proceedings of an international conference Subsea Controls and Data Acquisition ‘ The reliability of the Goodwyn ‘A’ substructure has been a major focus of the design and results are presented showing the platform reserve capacity, computed using non-linear inelastic ductility analyses.
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As a reliability based alternative, the load resistance factor design LRFD method offers a more consistent approach to platform safety than does the existing RP2A working stress design WSD method. Advanced search Show search help. The study is based on work performed for Woodside xpi part of the substructure design for the Goodwyn ‘A’ Platform. Although fundamental differences exist between the WSD and LRFD versions, the two r2pa remain remarkably similar with the LRFD draft containing most of the carefully phrased clauses which are familiar to many practicing engineers.
Sheriff’s Encyclopedic Dictionary of Applied Geophysics, fourth edition. The designation ‘load resistance factor design’ derives from the concept of factoring both loads and resistances as opposed to the working stress design approach where only the resistance is divided by a factor of safety. Rock Mechanics Symposium and 5th U. Rock Mechanics Symposium and 5th U. Its use in Europe is supplemented by additional local regulatory requirements and performance criteria but the designmethodology, basic code checking equation sand safety levels for ultimate strength are primarily related to API RP2A.
Publishers Content Coverage Privacy. This is achieved by providing a basic framework for design, accompanied by guidance on problem areas lying outside this framework.
Ltfd work is confined to the in-place strength of the jacket and module support frame MSF. The WSD methodology has been successfully applied largely without change within Europe and worldwide. Proceedings of an international conference Diverless and Deepwater Techology: Advanced search Show search help.
Offshore Technology Conference Disciplines 4. This paper also discusses the different partial load factors applicable to gravity loads when improved accuracy of weight control is effected, and applicable to environmental load when yearor year return period extreme environmental criteria are used in the North Sea. To conclude, this paper makes the connection between the work reported here and the international effort to develop an ISO Standard for offshore structures, in which partial factors appropriate to regional conditions will feature.
This paper does not discuss the very important but less quantifiable concepts of structural redundancy and the ability to redistribute loads from non-performing structural elements. Proceedings of an International Conference Submersible Technology: Proceedings of an international conference Subsea Controls and Data Acquisition ‘ Proceedings of an international conference Diverless and Deepwater Techology: Peer reviewed only Published between: Partial factors are used to account explicitly for the variance of criteria, and can therefore be calibrated to provide more consistent safety levels.